Total trihalomethanes (TTHM) above the legal limit in the period starting January 2026.
Serves about 729 people (243 connections) with groundwater from its own wells, and buys water from Southwest Ouachita Waterworks, Inc and Village of Eros Water System.
From EPA's record for LA1049022. PurityMap is independent of Eros Community Water System.
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34 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2026 | Total trihalomethanes (TTHM) | 0.084 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2025 | Total trihalomethanes (TTHM) | 110 µg/L | 0.080 mg/L | Archived |
| Oct–Dec 2024 | Total trihalomethanes (TTHM) | 0.11 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2024 | Total trihalomethanes (TTHM) | 0.098 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2024 | Total trihalomethanes (TTHM) | 0.099 mg/L | 0.080 mg/L | Archived |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From October 2023 | Groundwater Rule | – | – | Resolved |
| Jan–Mar 2022 | Total trihalomethanes (TTHM) | 0.088 mg/L | 0.080 mg/L | Archived |
| From November 2021 | Groundwater Rule | – | – | Resolved |
| From November 2021 | Groundwater Rule | – | – | Resolved |
| From November 2021 | Groundwater Rule | – | – | Resolved |
| Oct–Dec 2021 | Total trihalomethanes (TTHM) | 0.097 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2021 | Total trihalomethanes (TTHM) | 0.098 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2021 | Total trihalomethanes (TTHM) | 0.108 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2021 | Total trihalomethanes (TTHM) | 0.11 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2020 | Total trihalomethanes (TTHM) | 0.117 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2020 | Total trihalomethanes (TTHM) | 0.115 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2020 | Total trihalomethanes (TTHM) | 0.093 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2020 | Total trihalomethanes (TTHM) | 0.097 mg/L | 0.080 mg/L | Archived |
| Oct–Dec 2019 | Total trihalomethanes (TTHM) | 0.096 mg/L | 0.080 mg/L | Archived |
| Jul–Sep 2019 | Total trihalomethanes (TTHM) | 0.096 mg/L | 0.080 mg/L | Archived |
| Apr–Jun 2019 | Total trihalomethanes (TTHM) | 0.109 mg/L | 0.080 mg/L | Archived |
| Jan–Mar 2019 | Total trihalomethanes (TTHM) | 0.114 mg/L | 0.080 mg/L | Archived |
| From November 2018 | Groundwater Rule | – | – | Resolved |
| From November 2018 | Groundwater Rule | – | – | Resolved |
| From November 2018 | Groundwater Rule | – | – | Resolved |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
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Follow this water →Eros Community Water System's phone number on EPA record is 318-245-6604. Its mailing address is EROS COMMUNITY WATER SYSTEM, PO BOX 154, EROS, LA 71238.
According to EPA's record, Eros Community Water System uses groundwater from its own wells, and buys water from Southwest Ouachita Waterworks, Inc and Village of Eros Water System.
EPA's record shows 34 health-based violations for Eros Community Water System in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting January 2026. EPA also lists 19 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Eros Community Water System's latest lead and copper round, which ended in December 2023. The federal action level is 15 µg/L.
PurityMap has no verified website for Eros Community Water System. Its phone number on EPA record is 318-245-6604. Its mailing address on EPA record is EROS COMMUNITY WATER SYSTEM, PO BOX 154, EROS, LA 71238. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.